Initial revision

include/session.php

@@ -0,0 +1,113 @@
+<?
+
+function apidb_session_start()
+{
+    global $current;
+
+    session_set_cookie_params(time() + 3600 * 48);
+    session_start();
+
+    if($current)
+	$current->connect();
+}
+
+
+function apidb_session_destroy()
+{
+    session_destroy();
+}
+
+
+
+/*
+ * session handler functions
+ * sessions are stored in a mysql table
+ *
+ */
+
+function _session_open($save_path, $session_name)
+{
+    opendb();
+    //mysql_query("CREATE TABLE IF NOT EXISTS session_list (session_id varchar(64) not null, ".
+    //		"userid int, ip varchar(64), data text, messages text, stamp timestamp, primary key(session_id))");
+    return true;
+}
+
+function _session_close()
+{
+    return true;
+}
+
+function _session_read($key)
+{
+    global $msg_buffer;
+
+    opendb();
+    $result = mysql_query("SELECT data, messages FROM session_list WHERE session_id = '$key'");
+    
+    if(!$result)
+	return null;
+    $r = mysql_fetch_object($result);
+
+    if($r->messages)
+	$msg_buffer = explode("|", $r->messages);
+
+    return $r->data;
+}
+
+function _session_write($key, $value)
+{
+    global $current;
+    global $msg_buffer;
+    global $apidb_debug;
+
+    opendb();
+
+
+    if($msg_buffer)
+	$messages = implode("|", $msg_buffer);
+    else
+	$messages = "";
+
+
+    // remove single quotes
+    $value = str_replace("'", "", $value);
+
+
+    //DEBUGGING
+    if ($apidb_debug)
+        mysql_query("INSERT INTO debug VALUES(null, '$key = $messages')");
+
+
+    if($current)
+	mysql_query("REPLACE session_list VALUES ('$key', $current->userid, '".get_remote()."', '$value', '$messages', NOW())");
+    else
+	mysql_query("REPLACE session_list VALUES ('$key', 0, '".get_remote()."', null, '$messages', NOW())");
+
+    return true;
+
+}
+
+function _session_destroy($key)
+{
+    mysql_query("DELETE FROM session_list WHERE session_id = '$key'");
+    return true;
+}
+
+function _session_gc($maxlifetime)
+{
+    // delete sessions older than 2 days
+    mysql_query("DELETE FROM session_list WHERE to_days(now()) - to_days(stamp) >= 2");
+    return true;
+}
+
+session_set_save_handler("_session_open", 
+			 "_session_close", 
+			 "_session_read",
+			 "_session_write", 
+			 "_session_destroy", 
+			 "_session_gc");
+
+session_register("current");
+
+?>